Fujitsu LifeBooks make highly versatile Linux laptops. Models include the Piranha P1620 tablet, weighing just 2.5 pounds, and Tetra U810 UMPC, weighing a scant 1.5 pounds with a 5.6" LCD. Each features a high resolution touchscreen LCD. Both offer Linux-supported internal EVDO cellular mobile broadband options. The Stingray ST5112 Tablet is a pure Slate, super thin without a keyboard, the 12" LCD with built in active digitizer makes for excellent handwriting recognition.